Then, the main power circuit taking electric electronic component IGBT as key device is designed.
设计了以电力电子元件IGBT为核心器件的功率主电路。
In today's society, diesel generator set is the important main power or spare power in production and life, while supervisory control system of diesel generator set is an important component.
柴油发电机组是当今社会生产和生活的重要的主电源或备用电源，而柴油发电机组的监控系统则是柴油发电机组的一个重要组成部分。
Fast Fourier transform (FFT) is the main algorithm for harmonic analysis in electric power system, but when there is the decaying DC component in input signal, FFT algorithm will have higher error.
快速傅里叶变换(FFT)是电力系统进行谐波分析的主要算法，但当输入信号中含有衰减直流分量时，FFT算法会产生较大的误差。
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